The Prince: The Jester King Fantasy Series: Book Three

Arriving in Tirn Aill, Billy is challenged by many discoveries: his fae blood, his ability to use magic, and a powerful enchantment placed on him by his mother. But unraveling her spell has dire consequences, and the faerie folk soon find their kingdom in peril. To avert a cataclysm, Billy needs a "spellbinder," but he doesn't even know what that is!

In addition, he's receiving more visions of the future - of dead kingdoms and dying friends. War has come to Lyonesse, eagerly served by a wrat...